diff --git a/hal/include/HAL/Notifier.h b/hal/include/HAL/Notifier.h
new file mode 100644
index 0000000..4df1819
--- /dev/null
+++ b/hal/include/HAL/Notifier.h
@@ -0,0 +1,32 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016-2017. All Rights Reserved.                        */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include <stdint.h>
+
+#include "HAL/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*HAL_NotifierProcessFunction)(uint64_t currentTime,
+                                            HAL_NotifierHandle handle);
+
+HAL_NotifierHandle HAL_InitializeNotifier(HAL_NotifierProcessFunction process,
+                                          void* param, int32_t* status);
+HAL_NotifierHandle HAL_InitializeNotifierThreaded(
+    HAL_NotifierProcessFunction process, void* param, int32_t* status);
+void HAL_CleanNotifier(HAL_NotifierHandle notifierHandle, int32_t* status);
+void* HAL_GetNotifierParam(HAL_NotifierHandle notifierHandle, int32_t* status);
+void HAL_UpdateNotifierAlarm(HAL_NotifierHandle notifierHandle,
+                             uint64_t triggerTime, int32_t* status);
+void HAL_StopNotifierAlarm(HAL_NotifierHandle notifierHandle, int32_t* status);
+#ifdef __cplusplus
+}
+#endif